Fishermans Clothing Guy Cotten Peche Smock - Very supple and comfortable. Hood inside collar. Wide gusset with Velcro. Chest pocket under flap. Adjustable elasticated wrists. Drawcord at hem. FABRIC:- Glentex.
www.fishermansclothing.co.uk
Personally I find this smock better.
Just as waterproof but a lot more supple.
As ever with "oil skins" it's not breathable but will keep you bone dry in a Monsoon.
I do wear gortex but even that eventually fails in constant monsoon rain, especially if something is touching it, a rucksack for example.